2122515948 has 144 divisors (see below), whose sum is σ = 5950500864. Its totient is φ = 586776960.

The previous prime is 2122515937. The next prime is 2122516001. The reversal of 2122515948 is 8495152212.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3210738 + ... + 3211398.

Almost surely, 2^2122515948 is an apocalyptic number.

2122515948 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2122515948, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2975250432).

2122515948 is an abundant number, since it is smaller than the sum of its proper divisors (3827984916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2122515948 is a wasteful number, since it uses less digits than its factorization.

2122515948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 852 (or 843 counting only the distinct ones).

The product of its digits is 57600, while the sum is 39.

The square root of 2122515948 is about 46070.7710810227. The cubic root of 2122515948 is about 1285.1396433605.

It can be divided in two parts, 21225 and 15948, that added together give a palindrome (37173).

The spelling of 2122515948 in words is "two billion, one hundred twenty-two million, five hundred fifteen thousand, nine hundred forty-eight".